Pith Number

pith:KNLD3ERD

pith:2015:KNLD3ERD2U6F6G6OO5DAN2JV2S

not attested not anchored not stored refs pending

On decoding of digital data sent over a noisy MIMO channel

Andrei Osipov

arxiv:1501.01545 v1 · 2015-01-07 · cs.IT · math.IT · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KNLD3ERD2U6F6G6OO5DAN2JV2S}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:29:53.841423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53563d9223d53c5f1bce774606e935d4a1b4c3c47a9e630d377c7bc27dadecfd

Aliases

arxiv: 1501.01545 · arxiv_version: 1501.01545v1 · doi: 10.48550/arxiv.1501.01545 · pith_short_12: KNLD3ERD2U6F · pith_short_16: KNLD3ERD2U6F6G6O · pith_short_8: KNLD3ERD

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/KNLD3ERD2U6F6G6OO5DAN2JV2S \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 53563d9223d53c5f1bce774606e935d4a1b4c3c47a9e630d377c7bc27dadecfd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc25bcf55d4fb7cac5df2b9dc288529bc41d4198033eeb72fc008c6792d8045a",
    "cross_cats_sorted": [
      "math.IT",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-01-07T16:32:03Z",
    "title_canon_sha256": "12ee19601d18c4f2df0802eee2b180264b3e207543e71d7ea794145244d5d893"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.01545",
    "kind": "arxiv",
    "version": 1
  }
}